package demo20;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sr=new Scanner(System.in);
        int n=sr.nextInt();
        StringBuilder a=new StringBuilder();
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < i+1; j++) {
                a.append("*");
            }
            a.append("\n");
        }
        System.out.println(a);
    }
}
